> For the complete documentation index, see [llms.txt](https://skywatch-arcgis.geomarvel.cloud/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://skywatch-arcgis.geomarvel.cloud/setup/installation.md).

# Installation

1. Browse to the folder location of the EarthCache Add-in file (\*.esriAddInX) that you downloaded on your computer.
2. Double-click the file to open the Esri ArcGIS Add-In Installation Utility window.

   <figure><img src="/files/Dj8NG7rbsOnoOa79S1aM" alt=""><figcaption></figcaption></figure>
3. To continue, click Install Add-In. The Add-In is copied to the default location and installed. A copy of the file remains in the location where you browsed to it.
4. If ArcGIS Pro is open, exit and restart the application. The Add-In is now available for use.

### Download WebView2 if using Add-In for ArcGIS Pro 2.9

If the Add-In is being installed for ArcGIS Pro 2.9, a download of WebView2 is required. You will see a message when logging in for the first time to download WebView2. Visit the URL to start the download, or click [here ](https://msedge.sf.dl.delivery.mp.microsoft.com/filestreamingservice/files/03e33965-9ac7-458c-b6bc-c48177736a31/MicrosoftEdgeWebview2Setup.exe)to download WebView2. Note: Visiting this URL will immediately start download in your browser. If you're unable to download WebView2, see [instructions ](https://skywatch-arcgis.geomarvel.cloud/setup/pages/86SE0qJTMn97CXmALeiI#arcgis-pro-2.9-note)on how to get around this requirement.

For Technical Support, contact [<mark style="color:blue;">support@skywatch.com</mark>](mailto:support@skywatch.com)